Problem: The speed of sound at one atmosphere of pressure is 4.06 x 108 feet per hour. What is the speed of sound in units of meters per second, m/s? These equalities should be helpful: 1 km = 0.621 miles, 1 mile = 5280 feet.

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The speed of sound at one atmosphere of pressure is 4.06 x 108 feet per hour. What is the speed of sound in units of meters per second, m/s? These equalities should be helpful: 1 km = 0.621 miles, 1 mile = 5280 feet.

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